James McIlhenny Riddleberger, M.D.
NPI 1114308277ActiveIndividual· Family Medicine· Portland, ME
Family Medicine (M.D.) in Portland, Maine, trained at Tulane University School of Medicine (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $452,390 for 4,204 claims, against $15,816 paid for services in 2024.
Overview
| NPI | 1114308277 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 15, 2015 |
| Last updated in NPPES | Oct 1, 2020 |
| Certified by provider | Oct 1, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | MD22299 | ME |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (ME) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 109 |
|---|---|
| Services billed | 529 across 64 procedure codes |
| Paid by Medicare | $15,816 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,204 · 9,720 30-day fills |
|---|---|
| Patients | 409 |
| Total drug cost | $452,390 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Tulane University School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Family Practice |
Medical groups
- Martin's Point Health Care, Inc.Scarborough, ME · 89 clinicians
- Riverview Physical Therapy Limited PartnershipYarmouth, ME · 63 clinicians
Hospital affiliations
- Mainehealth Maine Medical CenterPortland, ME
- Northern Light Mercy HospitalPortland, ME
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 108 family medicine physicians in Portland · All family medicine physicians in Maine